1. Go to Google Calendar and Click on Create > Event.
2. Set a Date and Time for your event.
3. Provide a Name to your event and hit Save.
4. Click on your event and open it.
5. Click on the three dots options and select Publish event from the dropdown.
6. Copy the Event Link from the dialog box that pops up.
7. Now head over to HubSpot and open the email where you want to add the calendar invite.
8. Type "Calendar event" in the email body and hyperlink the text using the insert link option.
9. Insert the copied link from Google Calendar.
10. Your calendar invite is added to your email. You can now Review your email and Send it.